Find the domain of fg f(x)=x+2 g(x)=1/x+2 a. all real numbers c. all real numbers, except -2 b. all real numbers, except 2 d. (-2, 0) u [2, -2)

We have the following functions:
 f (x) = x + 2
 g (x) = 1 / x + 2
 Multiplying we have:
 (f * g) (x) = (x + 2) * (1 / x + 2)
 Rewriting:
 (f * g) (x) = (x + 2 / x + 2)
 (f * g) (x) = 1
 Therefore, the domain of the function is any real number.
 
 a. all real numbers

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